Let me start by saying this Rheem tune-up kit saved my ancient water heater from retirement! The kit includes everything you need for a full rebuild - thermostats, elements, gaskets - all packed neatly together. No last-minute hardware store runs!

The installation was surprisingly straightforward. Like another reviewer mentioned, draining the tank took longer than the actual repair (about 45 minutes total). The parts fit perfectly in my Rheem unit, and I immediately noticed better heating efficiency afterward. My morning showers have never been more consistent!

However - and this is a big however - the upper thermostat situation is frustrating. Unlike what's shown in the product images, mine arrived without dual element connections. I was mid-install when I discovered this, standing in a puddle of drained water with my tools laid out. Major facepalm moment.

That said, everything else in the kit worked flawlessly. My water heater went from lukewarm disappointments to piping hot perfection (except for that one thermostat hiccup). If you order this, definitely inspect all components BEFORE draining your tank. Despite the thermostat issue, I'd still recommend this kit for Rheem owners - just be prepared to possibly source that one missing connection separately.

Final verdict? 4/5 stars. It's like getting a complete makeover kit for your water heater... but someone forgot to include the eyebrow pencil.